Interviewer: Next card
Nut: Dry cell. It means that we put cathode and anode into a toy car. Dry cell, then, will force a toy car to move. . ..
Interviewer: Does it relate to energy?
Nut: Yes, it does. Dry cell can produce electricity.
Wut (Grade 3) also stated that a boy playing football related to energy, when the boy was kicking the ball.
Interviewer: Another card
Wut: Boy is playing football. I think that it relates to energy, because there is force from the boy.
Interviewer: Why?Could you explain more?
Wut: The boy can kick the ball into the sky. . ..